Fully On-Chip Active Guard Band Circuit for Digital Noise Cancellation

Shigetaka TAKAGI  Retdian Agung NICODIMUS  Kazuyuki WADA  Nobuo FUJII  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E85-A   No.2   pp.373-380
Publication Date: 2002/02/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
digital noise,  substrate coupling,  active noise cancellation,  

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A fully on-chip active guard band circuit is proposed. The proposed circuit is mainly composed of current mirrors and based on a DC bias technique. HSPICE simulations and experiment results confirm the validity of the proposed active guard band circuit.